Keil Logo

Ramtron VRS51x550

The Ramtron VRS51x550 is an 8051-based Microcontroller with 32 I/O Lines, 8 Interrupts/2 Priority Levels, 3 Timer/Counters, Watchdog Timer, 1 UART, Power Saving Modes, 8K Bytes Flash, 256 Bytes RAM.

*** EOL Notice ***
This device is no longer in production.

[Chip Vendor] [Distributors]

Development Tools
Compiler, Assembler, Linker, Debugger
Data Sheets
8051 Instruction Set Manual for the Ramtron VRS51x550
8051 Instruction Set Manual
1,478,015 bytes

Get Adobe Acrobat Reader

Header Files
Emulators
Device Programmers
Real-Time OS
Simulated Features

The following on-chip peripherals are simulated by the Keil Software µVision Debugger.

AGSI Drivers

The following AGSI Drivers are available for the Keil Software µVision Simulator.

AGDI Drivers

The following AGDI Drivers are available for the Keil Software µVision Debugger.


  Arm logo
Important information

This site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies.

Change Settings

Privacy Policy Update

Arm’s Privacy Policy has been updated. By continuing to use our site, you consent to Arm’s Privacy Policy. Please review our Privacy Policy to learn more about our collection, use and transfers
of your data.